Zslim slimming panties: slim the waist & tummy, shape the bottom & slim the thighs. Flat outer seams for maximum comfort. All-round bodysculpting support for visible results: lose a dress size! These Zslim slimming panties are invisible, even under the most figure-hugging clothes. Elasticated waistb&. Machine washable at 30°. Stretch tulle. 63% polyamide, 37% elastane. Cotton-lined gusset.